253906222 has 16 divisors (see below), whose sum is σ = 383279040. Its totient is φ = 126149728.

The previous prime is 253906201. The next prime is 253906229. The reversal of 253906222 is 222609352.

It is a happy number.

253906222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253906229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352779 + ... + 353497.

It is an arithmetic number, because the mean of its divisors is an integer number (23954940).

Almost surely, 2^253906222 is an apocalyptic number.

253906222 is a deficient number, since it is larger than the sum of its proper divisors (129372818).

253906222 is a wasteful number, since it uses less digits than its factorization.

253906222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 253906222 is about 15934.4351013771. The cubic root of 253906222 is about 633.2246041109.

The spelling of 253906222 in words is "two hundred fifty-three million, nine hundred six thousand, two hundred twenty-two".